iOS - Image border or another image as border - performance wise which is better? -

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I'm new to iOS development. I'm working on an app that has a lot of images (each with an image Cell with cell). I need to show the limit for each image. Currently it is how I do it - 

  [image.layer setBorderColor: [[UIColor Red] CGColor]]; [Image. Player SetborderView: 2.5F];

This border is fixed for each image in the width and color cell if I want to use an image instead of setting the range instead of the runtime (in Xcode IB )?


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